Measuring-pump.



MEASURING PUMP. APPLICATION FILED oom, 1906.

PATENTED MAY 28, 1907.

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TTUHNEYS TllEODOR BENT-GEN, OF YORK, lN. Y.

' vWlEASUFHNG-FUNIP..

' A `Speeication of Letters Patent.

Patented May 28, 1907.

Applicatie nea october-1966. serai No. '337,638.

To all whom it may concern,.-

Be it known that I, THEODOR HENTGEN, a citizen of the United States, and a resident of the city of New York, borough of Manhattan,

county and State of New York, have in vented a new and Improved Measuring- Pump, of which the following is a full', clear, and exact description.v

My invention relates to soda Water fountains, and particularly to pumps for faucets designed to discharge iro-rn a suitable receiver the syrups used in soda water, and has `for its principal objects to provide means adapted to enable a reciprocating pump to retain the liquid that has once passed therein, and to measure and discharge a pre-deterf mined quantity of syrup from a receptacle at each stroke of the pump. Such objects and others hereinafter referred to, are accom-- 'plished by the means illustrated in the accompanying drawings, in which Figure 1 is a vertical transverse central section of a pump embodying my invention attached to `a receptacle, vpartly broken away; and Fig. 2 is Va horizontal section taken on the line 2-2 of Fig. 1. y

As illustrated in the drawings, 1 represents a receptacle of any suitable construction having a well 2 detachably secured to the receptacle 1 and preferably provided with ailange. 2a, bearing upon a iexlole gasket or washer- 2b which is supportedupon a flange 1at formed on the lower ortion of the receptacle 1. A thread 2c is ormed upon the Well 2 adapted to engage the thread of a sleeve 3 which is provided with a flange 3E, adapted to bear against the ilange 1tL of the receptacle of the bridge 5, enable the s 1. By means of such construction the well 2 is iirrnlyl attached to the receptacle 1 and may be detached therefrom when desired, so as to readily cleanse or renew the well. v A cover 4 of any suitable construction is mounted upon the top of the receptacle 1 and preferably provided with a hub 4@ having an enlarged aperture 4b. The lower portion of a cap or bridge 5 surrounds the hub 4a of the cover and is provided with a central aperture 5a through which extends a sleeve `6 preferably formed integral with a head 7 which supports a discharge spout 8. The sleeve 6 is providedv with longitudinal ribs a which engage corresponding recesses 5b formed in the topof the cap or bridge 5. The ribs 6a of the sleeve. 6 by engagin said recesses 5b eeve to be moved in the rines-tion of its length through the ,of the cap 5. iszprovided with a valve chamber 17 which is-preferably formed by means of a coupling aperture 5a of the cap 5, at the "same ktime guarding said sleeve against rotaryor torsional movement. f

The head 7 is provided with a detachable plug 9 having a threaded engagement with Ythe head 7 in line with the bore of the spout 8, which may be readily detached from the head, so as to enable the bore of thespout to b'e freely cleansed when desired. The head 7 isprovided with a flange 10 adapted to support a name plate 11, which plate is secured 1n place upon said ange by means of an annular collar 12 havin a threaded engagement with the edge o said iiange. The sleeve 6 is provided with an interior thread 6b, by means of which the sleeve has a threaded enga ement with a'tube 13 which 1 extends at its ower vend into the lower portion of the receptacle 1.

The upper portion of the tube 13 is provided with an outer thread, which engages the inner thread 6b of vthe sleeve 6, and also engages a lock nut 14 which is mounted upon the tube 13. A spring' 15 surrounds the tube 13 and the -lower coil of said spring is supported upon the-'lower end of -pendent arms 16, the upper ends of which arms are attached to the top of the cap 5. The spring 15 holds the nut 14 normally against the under side of the top The lower end of the tube 13 1 8 having its upper end connected with the lower extremity ofthe tube 13 by means of a threaded engagement, or otherwise secured thereto, and having its lower end provided withan inner thread 18a which engages a corresponding outerithread 19EL of a hub 19 having a disk 20 connected therewith. The hub 19 is provided with a longitudinal aperture- 19", preferably cylindrical in outline, the walls of saidr aperture forming a cylindrical valve seat. f

A tubular valve- 21 is constructed with a side Wall adapted to slide on the valve seat 19b vand is provided with inlet ports 21a which are adaptedv to extend opposite the valve seat 19b when the valve is closed, as shown in Fig. 1, or to project above the top of said valve seat, so as to establish free cornmunication betweenthe hollow interior of 'the valve 21 and the bore of the tube 13. A

perforations or slots 22a, extending through the disk inline with the disk 29 of the valve IOG IOS

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seat. The interior opening of the valve 21 also extends through the disk 22. A gasket 23 is attached to the upper .end of the valve 21 and extends over on to the top of the hub 19, so as to close the opening between the valve seat 19b and the valve 21. The gasket 23 is preferably made of rubber or other flexible material, and is secured in position spring, thereby forcing the lower end of the by means of a metallic washer 24, attached to the upper end of the valve 21 by' means of a stud screw 25. A y

When the device is in operation'and pressure is applied tothe name-plate 11 on the head of the pumpthe head and tube 13 carried thereby are moved bodily in the direction of their length against the tension of the tube 13 and its connected mechanism into the well 2of the receptacle. As the plunger 22 is forced into the well 2, the resistance of the syrup contained in the well retards the downward movement-of .the disk 22, and the disk 20 is thereby brought in contact with ythe upper surface of the valve disk 22, andthe valve ports 21a projected beyond the end of the valve seat 19b into communication with the valve chamber 17 and the bore of the tube 13. When said ports are so arranged,

the syrup in the well 2 passes through the interiorbore of the tubular valve 21 and out through the inlet ports into the valve chamber 17, andthe interior ofthe tube 13. y

When the pressure is released from the .name-plate 11, the ltension of the spring 15 forces the tube 13 upward bodily in the direction of its length, until the nut 14 comes in contactfwith the'under surface of the cap 5, and stops the upward movement of said tube.

vAs the tube 13 is moved bodily upward by the tube 13 and its connected mechanism,

the syrup or other liquid in the receptacle 1 passes between the disks 20 and 22 and through perforations or slots 22a formed in said disk, and into the well 2, thereby refilling the well.

The tube 13 is continuousl filled or nearly filled with syrup, as indicatedr by dotted lines 'in Fig. 1, so that with each stroke or movement of the plunger, the same quantity of syrup is discharged through the spout 8 as is taken into the interior of the tube from the well 2, thereby measuring as well as discharg- -ing the desired quantity of liquid from the receptacle.

In some kinds of soda water a smaller quantity 'of syrup is'required than in others,

and it is therefore desirable to discharge the syrup in the desired quantities. This is accomplished by adjusting the tube 13 on the .A sleeve 6, so as to extend the disk 22 normally into the Well 2 at the desired elevation. Inasmuch as each stroke of the pump forces into the tube 13 the quantity of syrup which is contained in the' well 2 below the disk 22,I

if the disk 22 is arranged in thel well 2in a 1 line nearer the bottom of the well thanthat shown in Fig'. 1', the quantity of syrup displaced from the well y2 and forced'into the tube 13 and out of the discharge spout 8,

will be less thandischarged through the tube Patent:

1. 'A pum comprising a tubeprovided at one end wit a valve seat extending longitudinally of the tube, a valve movable longitudinally on said seat, and provided with a plunger disk, substantially as shown and described.

2. A pum comprising a tube provided at one end wit a valve seat 'extending longitudinally of the tube, a valve adapted to .slide longitudinally on said seat, and provided with a perforated plunger disk,and a well adapted to receive said disk, substantially as shown and described;

3. A pump comprising a tube provided with a valve seat, a tubular valve adapted to slide lengthwise of rsaid seat and provided with an open interior, and inlet ports connected therewith, and a gasket adapted to close the jointl between 'said valve and its seat, substantially as shown and described.

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4. A pump comprising a tube provided with a valve seat and a laterally extending flange, a tubular valveadapted to slide lengthwise of said seat and provided with inlet ,ports adapted to be closedby said valve seat, and a gasket secured to said valve and adapted to overla the joint between the valve and seat, su stantially as shown and described. Y

5. A pump comprising a tube movable bodilyy in the directie ofits length and provided with a longitud p laterally extending ange connected therewith, a tubular valve adapted to slide lengthwise of said seat, having an open end and provided with inlet ports adapted to be arranged op osite said valve seat, and a perforated d slk connected with the lower end of said valve, substantially as shown and described.

inal valve seat, and a 6. The combination with a receptacle having a well extending below the bottom of said ,receptacle,and a pump comprising a tube movable bodily in the direction of its length in said receptacle, and provided on itslower end with a longitudinal valve Vseat and a laterally extending flange connected there- With, a tubular valve adapted to slide lengthwise of its seat, and providedy with an open end and inlet ports adapted to be Closed by said seat', and a plate connected with said valve adapted to travelin said well, substantially as shown and described.

7. The combination of a receptacle having a well ,extending below the bottom of said receptacle, and a pump movable bodily in the direction of its length in said receptacle,

and provided with a longitudinal valve seat7 a'tubular valve adapted to slide lengthwise of said seat having an open end and provided with inlet ports adapted to be closed by said seat7 a plateconnected with said valve adapted to travel in said well, and means adapted to adjust the normal position of said plate in said Well,v substantially as z5v shown and deseribed-` f In testimonyl whereof I have signed my name to this specification in the presence of two subscribing witnesses.

THEoDoR HENTGEN.'

Witnesses:

ROBERT W. 'HARD1E, JN0. M. RITTER. 

